• 21 bell pepper, tops cut off, seeded
• 2.4 kg ground beef, 85/15
• 0.6 l onion, diced
• 10½ clove garlic, minced
• 1.9 l cooked rice, white or brown
• 1.2 l marinara sauce, plus extra for topping
• 1.2 l shredded mozzarella cheese, divided
• 5¼ tsp Italian seasoning
• 2⅔ tsp salt
• 1⅓ tsp black pepper
• 5¼ tbsp olive oil

Metric measurements are approximate conversions.